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Which structures in birds and mammals have a similar function? a. Air sacs and diaphragm b. Down feathers and underhair c. Albumen and mammary gland d. Crop and incisors
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Which structures in birds and mammals have a similar function?

a. Air sacs and diaphragm
b. Down feathers and underhair
c. Albumen and mammary gland
d. Crop and incisors

User Kelly Goedert
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1 Answer

2 votes

Answer:

Air sacs and diaphragm

Step-by-step explanation:

User Samuel R
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